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Finding the Fourth Proportional to 372,692.76, 559,032.39 and 92,209.92

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Solution

The fourth proportional to 372,692.76, 559,032.39 and 92,209.92 is: 138,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,692.76 : 559,032.39 = 92,209.92 : x
  2. Step 2: Convert to fraction form
    372,692.76/559,032.39 = 92,209.92/x
  3. Step 3: Cross multiply
    372,692.76x = 559,032.39 × 92,209.92
  4. Step 4: Simplify right side
    372,692.76x = 51,548,331,959.31
  5. Step 5: Solve for x
    x = 51,548,331,959.31/372,692.76
  6. Step 6: Final answer
    x = 138,313.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.